﻿using System;
using System.Collections.Generic;
using System.Text;
using System.Management;

namespace DLLTest.OpertionClass
{
    class SoftReg
    {
        /// <summary>
        /// 使用managementObject对象的GetPropertyValue方法获得本机的硬盘标识号
        /// </summary>
        /// <returns></returns>
        public string GetDiskVolunmeSerialNumber()
        {
            ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
            ManagementObject disk = new ManagementObject("Win32_logicaldisk.deviceid=\"d:\"");
            disk.Get();
            return disk.GetPropertyValue("VolumeSerialNumber").ToString();
        }

        /// <summary>
        /// 获取本机ＣＰＵ序列号
        /// </summary>
        /// <returns></returns>
        public string getCup()
        {
            string strCpu = null;
            ManagementClass myCpu = new ManagementClass("Win32_Processor");//指定win32_Processor管理类
            ManagementObjectCollection myCpuConnection = myCpu.GetInstances();
            foreach (ManagementObject myObject in myCpuConnection)
            {
                strCpu = myObject.Properties["Processorid"].Value.ToString();
                break;
            }
            return strCpu;
        }

        /// <summary>
        /// 生成机器码
        /// </summary>
        /// <returns></returns>
        public string getMNum()
        {
            string strNum = getCup() + GetDiskVolunmeSerialNumber();//获取ＣＰＵ和硬盘序列号
            string strMNum = strNum.Substring(0,24);//从生成的字符串中取出前个字符作为机器码
            return strMNum;
        }

        public int[] intCode = new int[127];//存储密钥
        public int[] intNumber = new int[25];//存机器码的ASCII值
        public char[] Charcode = new char[25];//存储机器码字

        /// <summary>
        /// 给数组赋值小于10的数
        /// </summary>
        public void setIntCode()
        {
            for (int i = 1; i < intCode.Length; i++)
            {
                intCode[i] = i % 9;
            }
        }

        /// <summary>
        /// 生成注册码
        /// </summary>
        /// <returns></returns>
        public string getRNum()
        {
            setIntCode();
            for (int i = 1; i < Charcode.Length; i++)
            {
                Charcode[i] = Convert.ToChar(this.getMNum().Substring(i - 1, 1));
            }
            for (int j = 1; j < intNumber.Length;j++ )
            {
                intNumber[j] = intCode[Convert.ToInt32(Charcode[j])] + Convert.ToInt32(Charcode[j]);
            }
            string strAsciiName = "";//用于存储注册码
            for (int j = 1; j < intNumber.Length; j++)
            {
                if (intNumber[j] >= 48 && intNumber[j] <= 57)//判断字符ASCII值是否在48-57之间
                {
                    strAsciiName+=Convert.ToChar(intNumber[j]);
                }
                else if (intNumber[j] >= 65 && intNumber[j] <= 90)//判断字符ASCII值是否在A-Z之间
                {
                    strAsciiName += Convert.ToChar(intNumber[j]);
                }
                else if (intNumber[j] >= 97 && intNumber[j] <= 122)//判断字符ASCII值是否在a-z之间
                {
                    strAsciiName += Convert.ToChar(intNumber[j]);
                }
                else
                {
                    if (intNumber[j] > 122)//判断字符ASCII值是否大于z
                    {
                        strAsciiName += Convert.ToChar(intNumber[j] - 10);
                    }
                    else
                    {
                        strAsciiName += Convert.ToChar(intNumber[j] - 9);
                    }
                }
            }
            return strAsciiName;
        }

    }
}
